timothy dolan spoke and said the church will not comply with the obama administration' healthcare bill. the cardinal says bishops are open to talking to federal officials but will continue to challenge the mandate. churches are exempt from the birth control rule but the catholic hospitals and charities are not. >>> i think all moms have done this at one time or another. your little one has a fever when they have aches and pains and you reach for the tylenol. new research shows it may cause unwanted side effects when give ton young children. >> reporter: asee that min fin is -- acetaminophen is one of the common medicines. giving acetaminophen to babies may heighten their risk of asthma symptoms. in a study of 422 danish children, researchers found the more acetaminophen given as infants, the more likely to develop asthma-like symptoms such as wheezing, breathlessness and coughing. the findings suggest the need for more research into how acetaminophen might promote asthma. with this medical minute, i'm dr. timothy johnson. >> you can get the latest health news anytime you want on abc2ne